Stage One involves 32 groups of four players, with the player who tops each group progressing to Stage Two.
Both Suning and Shenzhen showcased aggressiveness at the beginning of the first half, with Teixeira Santos's header parried by Morteza Pouraliganji in the third minute. Shenzhen's Gao Lin shot to strike back three minutes later but failed to score.
Meanwhile, Guarani also booked a place in the next stage of the tournament with a 3-1 win at Tigre. Johan Romana, Jose Florentin and Cecilio Dominguez netted for the Paraguayan outfit while Pablo Magnin was on target for the Argentine side.
The former world No. 1 is set to face a tougher challenge in the second round against 2017 champion Jelena Ostapenko of Latvia, who knocked out American Madison Brengle 6-2, 6-1.
Alcacer then showed neat footwork halfway through the second half to ensure the points for Villarreal and leave Alaves in trouble.
World No. 1 and top seed Novak Djokovic will kick off his campaign for an 18th major title against Sweden's Mikael Ymer later on the central court. Enditem
News of the transfer comes in the wake of Manchester City's 5-2 thrashing at home to Leicester City in the Premier League on Sunday afternoon. The game is the first time a side coached by Pep Guardiola has conceded five goals at home and once again served to highlight the problems at the heart of his side's defense.
"I am very happy," Nadal said in French at the Court Philippe-Chatrier after the triumph, "It will be another difficult match against Travaglia or Nishikori. I hope to play a good level. It's always special to play here in Paris, especially here on Court Philippe-Chatrier, so I'm very happy to play another time."
Tourists can participate in a photo contest, enjoy traditional singing and dancing programs as well as discover Mongolian cuisine during the festival.
The club's new trio faces its first game next weekend when they travel to Champions League participant RB Leipzig.
The Spaniard has won 94 matches at Roland Garros and if he can make it all the way to the final this year, there is a chance for him to equal old rival Roger Federer's record of 20 major titles in his remarkable 100th win at the clay Grand Slam.